stephen colbert. dumb, you bet? dead ahead. ú [ male announcer ] you can't un-smoke a cigarette. and you can't go back and un-do the times you tried quitting... ♪ ...then started again. but every smoker was a non-smoker once. and you could be again. for many, smoking is a treatable medical condition. so talk to your doctor about prescription treatment options and support. and make this time, your time. >> bill: back of the book segment tonight, dumbest things of the week. greg gutfeld and arthel. controversy involving peta and vice president biden. >> and we are serving you real american food. we even got a hot dog cart. [boos] >> i will take a dog. hey, hot dog guy. hot dog guy. hey. >> hey man to you, it's mr. vice president hot dog guy. >> mr. biden, i'm sorry, i didn't expect the vice president to read hot dogs. >> read your constitution, man, i have two constitutional duties. >> i thought it was breaking ties in the senate. >> no. the other one is giving hot dogs to returning warriors. >> bill: after biden did that bit, peta, the people for the ethical treatment for animal